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Plate of homemade fried onion strings.

Fried Onion Strings

5 Stars 4 Stars 3 Stars 2 Stars 1 Star 5 from 1 review
  • Author: Erin Jensen
  • Prep Time: 15 minutes
  • Cook Time: 5 minutes
  • Total Time: 20 minutes
  • Yield: 12 servings 1x
  • Category: Side Dish
  • Method: Stove Top
  • Cuisine: American


Fried Onion Strings – a simple, step-by-step tutorial on how to make homemade fried onion strings! Perfect on salads or burgers!


  • 1 large sweet yellow onions, thinly sliced
  • 1 cup unsweetened almond milk or regular milk*
  • 1 cups flour (regular or gluten-free)
  • 1 teaspoon kosher salt
  • 1/2 teaspoon onion powder
  • 1/2 teaspoon garlic powder
  • avocado oil**
  • kosher salt


  1. Use mandolin to thinly slice onions.
  2. Prep two bowls: one with almond milk* and one with the flour, salt, onion powder and garlic powder. Add onions to the milk and let sit 15-30 minutes.
  3. Add enough avocado oil to a large cast iron skillet so it is approx. 1/2 inch or so deep. You just need enough to submerge the thinly sliced onion so it doesn’t need to be super deep. 
  4. Bring oil to 375 degrees F. 
  5. In batches, take some sliced onions out of the milk (shake off any excess liquid) and place in flour mixture. Ensure they are fully coated with flour and then carefully transfer to the hot oil. 
  6. Let onions cook (flipping as necessary) until they are nice and brown, about 4-5 minutes.
  7. Remove carefully and place on a paper towel lined plate. 
  8. Use in your favorite recipes – we love these on our Ultimate Grilled Bacon Cheeseburgers!


  • Slicing Onions: we used a mandolin to get nice, uniform slices that were super thin.
  • *Milk: we have tested this recipe with regular milk and almond milk – both worked just fine!
  • **Avocado Oil: we only tested this with avocado oil, but it would most likely work with other oils as well!
  • Make ahead: these are really best served immediately so I wouldn’t recommend making these more than an hour or two ahead of when you will be using them.